TM 5-3810-306-34
TABLE 3-1. DIRECT AND GENERAL SUPPORT TROUBLESHOOTING
Malfunction
Test or Inspection
Corrective Action
1. ENGINE CRANKS SLOWLY
Step 1.
Crankshaft rotation restricted.
a. Bar engine to check for rotational resistance.
If OK, repair starter. (Refer to page 4-33.)
2. ENGINE HARD TO START OR WILL NOT START - EXHAUST SMOKE PRESENT
Step 1.
Injection pump timing not correct.
a. Check injection pump timing. (Refer to page 5-4.)
If OK, do Step 2.
b. Time fuel injection pump.
Step 2.
One or more injectors worn or malfunctioning.
a. Remove and test injectors. (Refer to page 5-2.)
b. Replace defective injector(s).
3. ENGINE CRANKS, BUT WILL NOT START - NO SMOKE FROM EXHAUST
Step 1.
Worn or malfunctioning fuel injection pump.
a. Loosen high pressure line at two injectors and
visually check fuel delivery while cranking engine.
If OK, do Step 2.
b. Replace fuel injection pump. (Refer to page 5-4.)
Step 2.
Fuel injection pump timing incorrect.
a. Check fuel injection pump timing. (Refer to page 5-4.)
If OK, do Step 3.
b. Time fuel injection pump.
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